https://github.com/mongodb/morphia.git: Java Object Document Mapper for MongoDB
  • Various (MongoDB) 
package org.mongodb.morphia.query;


import com.mongodb.DBObject;



Internal class for building up query documents.

/**
 * Internal class for building up query documents.
 */
public interface Criteria {
    
Adds this Criteria's information to the DBObject

Params:
  • obj – the DBObject to update
/**
     * Adds this Criteria's information to the DBObject
     *
     * @param obj the DBObject to update
     */
    void addTo(DBObject obj);

    
Used to add this Criteria to a CriteriaContainer

Params:
  • container – the container to add to
/**
     * Used to add this Criteria to a CriteriaContainer
     *
     * @param container the container to add to
     */
    void attach(CriteriaContainer container);

    
Returns:the field name for the criteria
/**
     * @return the field name for the criteria
     */
    String getFieldName();
}